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4 years ago

Which of the following statements is not true about carbohydrate structures?

SAT

1 answer:

cestrela7 [59]4 years ago

7 0

E is the false one as sucrose is made of glucose and fructose ✌

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Max (mass = 15 kg) is hanging from one end of a 13-m long bungee cord that has its other end fixed to a bridge above. The bungee

Rashid [163]

The stress experimented by the bungee cord due to Max's weight is approximately 299.680 kilopascals.

<h3>How to find the stress experimented by the bungee cord</h3>

Let suppose that the stress ( $\sigma$ ), in pascals, experimented by the bungee cord is entirely <em>elastic </em>and <em>uniform</em>. By Newton's Laws we know that the tension ( $T$ ), in newtons, experimented by the cord equals Max's weight. The stress on the bungee cord is axial and is described by following formula:

$\sigma = \frac{m\cdot g}{\frac{\pi\cdot D^{2}}{4} }$ (1)

Where:

$m$ - Max's mass, in kilograms
$g$ - Gravitational acceleration, in meters per square second
$D$ - Diameter of the circular cross section, in meters

If we know that $m = 15\,kg$ , $g = 9.807\,\frac{m}{s^{2}}$ and $D = 0.025\,m$ , then the stress experimented by the bungee cord is:

$\sigma = \frac{(15\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}{\frac{\pi}{4}\cdot (0.025\,m)^{2} }$

$\sigma \approx 299679.845\,Pa\, (299.680\,kPa)$

The stress experimented by the bungee cord due to Max's weight is approximately 299.680 kilopascals. $\blacksquare$

To learn more on stress, we kindly invite to check this verified question: brainly.com/question/1178663

4 0

2 years ago

Which of the following costs are relevant to a make-or-buy decision?.

Otrada [13]

Answer:

im not sure thanks

Explanation:

4 0

2 years ago

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 426 gram setting. Based

Blababa [14]

The conclusion of the research is that we reject the null hypothesis and we conclude that the bag filling machine does not work correctly at the 426 gram setting.

<h3>How to solve hypothesis testing?</h3>

We are given;

Population Mean; μ = 426

Sample mean; x' = 433

Sample size; n = 13

Standard deviation; s = 29

significance level; α = 0.05

Let us define the hypotheses;

Null Hypothesis; H₀: μ = 426 g

Alternative Hypothesis; H_a: μ < 426 g

Formula for the z-score here is;

z = (x' - μ)/(s/√n)

z = (433 - 426)/(29/√13)

z = 0.87

From online p-value from z-score calculator, we have;

p-value = 0.1922

This p-value is greater than the significance value and as such we reject the null hypothesis and we conclude that the bag filling machine does not work correctly at the 426 gram setting.

Read more about Hypothesis testing at; brainly.com/question/15980493

#SPJ1

7 0

2 years ago

Keisha is making a diagram of a simple machine in the body.

NemiM [27]

Answer:

The answer is <u><em>X: Load, Y: Fulcrum, Z: Lever</em></u>

Explanation:

I've taken this question before!

Hope this helps! :D

(Can you mark me brainliest? It is greatly appreciated!)

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3 0

2 years ago

What is the first step in the armys CRM?

Arisa [49]

-Identify hazards using METT-TC factors is the first step.

5 0

3 years ago